FORCES ON CHARGED PARTICLES AND AC

Question 1

all materials are made of

Answer 1

atoms

Question 1

the charge of an electron is

Answer 1

negative

Question 2

the charge on a proton is

Answer 2

positive

Question 3

neutrons have

Answer 3

no charge

Question 4

like charges

Answer 4

repel

Question 5

different charges

Answer 5

attract

Question 6

an insulator can become charged by

Answer 6

rubbing

Question 7

charge can be detected using a

Answer 7

coulomb meter

Question 8

an area of space where a charged particle experiences a force is known as an

Answer 8

electric field

Question 9

lines of force are used to show the

Answer 9

strength and direction of an electric field

Question 10

the closer the field lines ___ the force

Answer 10

stronger

Question 11

what charge do field lines start on

Answer 11

positive

Question 12

what charge do field lines end on

Answer 12

negative

Question 13

current is

Answer 13

the flow of charge per second

Question 14

what is current measured in

Answer 14

amperes

Question 15

current is measured using an

Answer 15

ammeter

Question 16

the relationship that links current, charge and time is

Answer 16

Q=It

Question 17

An electric charge of 1200 C flows
through an electric heater in 2
minutes. Calculate the current in the heater?

Answer 17

10 A

Question 18

this type of current flows in one direction only

Answer 18

direct current

Question 19

this type of current changes a direction a number of times each second

Answer 19

alternating current

Question 20

the peak voltage of an ac supply is always _____ __ the quoted voltage

Answer 20

greater than

Question 21

Mains frequency is

Answer 21

50Hz

Question 22

Mains voltage is

Answer 22

230V